It's dye-free and does not contain any fumes or fragrances that will sting or irritate your eyes. It contains anti-inflammatory and healing agents to soothe and enhance the strength of your lashes/eyebrows while increasing their resistance to breakage. blinc lash primer is also enriched with Vitamin E which nourish by replenishing and augmenting the level of Vitamin B5 in your lashes/eyebrows.